INF1505 - EXAM 2023 PREP QUESTIONS AND ANSWERS LATEST UPDATE A+ GRADED
Tshepitech, an international textile company, uses a database to store data on the number of products, suppliers, and sales personnel. The process component of the information system conducts analysis on the data to prov...
Tshepitech, an international textile company, uses a database to store data on the
number of products, suppliers, and sales personnel. The process component of
the information system conducts analysis on the data to provide information
about sales. Which can be used by Tshepitech to generate predictions for its next
sales period?
a.Theoretical hypotheses
b.Estimation graphs
c.Forecasting models
d.Modeling charts
Forecasting models
_____ consists of a series of 0s and 1s representing data or instructions.
a.Machine language
b.A fourth-generation language
c.A fifth-generation language
d.Assembly language
Machine language
In the context of business analytics, mobile analytics is declining in popularity.
Select one:
True
False
False
Which is true of fourth-generation languages (4GLs)?
a.They are the easiest computer languages to use.
b.They use artificial intelligence technologies, such as knowledge-based
systems.
c.They contain a series of 0s and 1s representing data or instructions.
d.They are composed of rigorous command syntaxes.
They are the easiest computer languages to use.
The _____ stores data types for fields, default values for fields, and validation
rules for data in each field.
a.data warehouse
b.data smart
c.data mine
d.data dictionary
data dictionary
_____, used in object-oriented databases, refers to new objects being created
faster and more easily by entering new data in attributes.
a.Fragmentation
b.Encapsulation
,c.Counterbalance
d.Inheritance
Inheritance
_____ is a database management system (DBMS) that is suitable for a large
organization.
a.Oracle
b.FileMaker Pro
c.Java
d.Microsoft Access
Oracle
Business intelligence (BI) uses scorecards and dashboards to support decision-
making activities, whereas business analytics (BA) uses data mining tools and
predictive modeling.
Select one:
True
False
True
_____ holds data when the computer is off or during the course of a program's
operation.
a.Programmable read-only memory
b.Read-only memory
c.Random access memory
d.Secondary memory
Secondary memory
Which statement is true of gallium arsenide chips?
a.They were used in third-generation computers.
b.They are ideal for mass production.
c.They have low production costs.
d.They run at higher speeds than silicon chips.
They run at higher speeds than silicon chips.
Object-oriented programming languages are not tailored to any specific OS or
programming environment.
Select one:
True
False
False
In network-attached storage (NAS), as the number of users increases, its
performance increases.
Select one:
True
False
False
Which statement is true of a flat file system?
a.Complex requests can be handled easily.
b.Programs and data are independent.
, c.It requires very less storage space.
d.Same data can be stored in more than one file.
Same data can be stored in more than one file.
_____ is a component of a data model that defines the boundaries of a database,
such as maximum and minimum values allowed for a field, constraints, and
access methods.
a.File procedure
b.Schema diagrams
c.Data structure
d.Integrity rules
Integrity rules
Mpho knows how to use word processors, spreadsheets, and presentation
software. He also has a basic knowledge of hardware, software, and the Internet.
Given this information, it can be concluded that Mpho has _____ literacy.
a.computer
b.information
c.business
computer
In contrast to data in a database, data in a data warehouse is described as
subject oriented, which means that it _____.
a.manages data transactions
b.focuses on a specific area
c.captures aggregated data
d.categorizes based on time
focuses on a specific area
In object-oriented programming, a class __________.
a.defines the format of an object
b.is an item that contains data and the procedures that read and manipulate it
c.uses a series of short codes to represent data or instructions
d.controls and prioritizes tasks performed by the CPU
defines the format of an object
An Extended ASCII data code allows representation of maximum _____
characters.
a.512
b.128
c.1024
d.256
256
Which statement is true of transaction-processing systems?
a.They focus on integrating data, processes, and human elements.
b.They focus on maximizing human involvement.
c.They focus on data collection and processing.
d.They focus on integrating hardware and software technologies.
They focus on data collection and processing.
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